<template>
  <div class="tabs">
    <el-tag
      size="small"
      v-for="(item, index) in tags"
      :key="item.path"
      :closable="item.name != 'home' "
      :effect="$route.name == item.name ? 'dark' : 'plain'"
      @click="changeMenu(item)"
      @close="handleClose(item, index)"
    >
      {{item.label}}
    </el-tag>
  </div>
</template>

<script>
import {mapState, mapMutations} from 'vuex'
export default {
  name: 'CommonTag',
  data() {
    return {

    }
  },
  methods: {
    ...mapMutations({
      close: 'closeTag'
    }),
    changeMenu(item) {
      this.$router.push({ name: item.name})
    },
    handleClose(item, index) {
      const length = this.tags.length - 1
      this.close(item)
      if(item.name !== this.$route.name) {
        return
      }
      if(index === length) {
        this.$router.push({
          name: this.tags[index - 1].name
        })
      }else {
        this.$router.push({
          name: this.tags[index].name
        })
      }
    }
  },
  computed: {
    ...mapState({
      tags: state => state.tab.tabsList
    })
  }
}
</script>

<style lang="less" scoped>
.tabs {
  padding: 20px;
  .el-tag {
    margin-right: 15px;
    cursor: pointer;

  }
}

</style>